JP5930598B2 - DC input terminal connector device and contact - Google Patents

Description

  The present invention relates to a direct current input terminal (DC-IN) connector device and a direct current input terminal for connecting a plug of an alternating current (AC) adapter provided in a portable device such as a notebook personal computer or PDA (Personal Digital Assistants). The present invention relates to a (DC-IN) connector.

  Since the DC-IN connector is used in a state where the plug of the AC adapter is connected, particularly when the plug hits the DC-IN connector, an external force is often applied to damage the DC-IN connector, and the terminal device There are many requests for replacement of DC-IN connectors by users.

  The conventional general DC-IN connector is mounted on the board by soldering using a static bath (DIP method) or surface mounting technology (SMT) that does not move the solder liquid surface, so the DC-IN connector is damaged. In this case, it is necessary to replace the DC-IN connector with the board in order to replace the DC-IN connector.

  On the other hand, a DC-IN connector mounted on a substrate using a harness has been proposed (for example, Patent Document 1). In this case, even if the DC-IN connector is damaged, in order to replace the DC-IN connector, it is only necessary to remove the damaged DC-IN connector from the harness and attach an undamaged DC-IN connector. -It is not necessary to replace the DC-IN connector with the board to replace the IN connector.

Japanese Patent Laid-Open No. 2001-3300

  However, when the harness is used to mount the DC-IN connector on the substrate, the harness is an expensive component, which increases the manufacturing cost of the portable device. Moreover, since it is necessary to accommodate a harness in a portable device, it becomes an obstacle when saving space for the portable device.

  An object of the present invention is to provide a DC-IN connector device and a DC-IN connector device that do not increase the manufacturing cost of the portable device, do not obstruct the space saving of the portable device, and do not need to replace the entire board when replacing. It is to provide an IN connector.

  A DC input terminal connector device according to the present invention includes a DC input terminal connector for connecting a plug of an AC adapter, a predetermined conductive pattern, and conductive first and second contact portions connected to the conductive pattern. A DC input terminal connector corresponding to the first electric potential and the second electric potential, respectively, contacting the plug when the plug is connected to the DC input terminal connector, and the first and second electric potentials. The contact portion includes conductive third and fourth contact portions that are detachable from each other.

  Preferably, the first and second contact portions have an elastic structure.

  Preferably, the elastic structure has a vertically sandwiched spring.

  Preferably, the direct current input terminal connector has a convex portion, and the substrate has a slit for guiding the convex portion in order to align the direct current input terminal connector.

  A DC input terminal connector according to the present invention is a DC input terminal connector for connecting a plug of an AC adapter. The DC input terminal connector corresponds to the first potential and the second potential, respectively, and the plug is connected to the DC input. Conductive first and second contact portions mounted on the substrate so as to contact the plug when connected to the terminal connector and to be connected to the conductive pattern provided on the substrate, respectively. It has 3 and 4th contact parts, It is characterized by the above-mentioned.

  According to the present invention, the direct current input terminal connector has a conductive first and second contact portions that are detachably attached to the conductive first and second contact portions mounted on the substrate so as to be connected to the conductive pattern provided on the substrate. 3 and a fourth contact portion. By having these contact portions, the DC input terminal connector can be freely attached to and detached from the board without having a harness, so that the manufacturing cost of the portable device does not increase and the portable device is saved in space. Therefore, it is possible to provide a DC input terminal connector device and a DC input terminal connector that do not need to be replaced when the board is replaced.

It is a figure which shows the notebook type personal computer which has the DC-IN connector apparatus by this invention. It is a perspective view of the DC-IN connector apparatus of FIG. It is a disassembled perspective view of the DC-IN connector apparatus of FIG. It is the perspective view which looked at the DC-IN connector device of FIG. 1 from the opposite side of FIG. It is the disassembled perspective view which looked at the DC-IN connector apparatus of FIG. 1 from the opposite side of FIG. FIG. 3 is a perspective view of the DC-IN connector of FIG. 2 viewed from the opposite side of FIG. 2. It is a perspective view of the contact part of the DC-IN connector of FIG. It is a figure for demonstrating mounting of the up-and-down pinching type spring with respect to the board | substrate of the DC-IN connector apparatus of FIG. It is a figure for demonstrating mounting of the up-and-down pinching type spring with respect to the board | substrate of the DC-IN connector apparatus of FIG. It is a figure for demonstrating attachment of the flame | frame with respect to the DC-IN connector of FIG. It is a figure for demonstrating attachment of the flame | frame with respect to the DC-IN connector of FIG. FIG. 3 is a front view of a DC-IN connector before and after spring mounting as viewed from the opposite side of FIG. 2. It is sectional drawing seen from the II arrow direction of FIG. FIG. 3 is a front view of a DC-IN connector in a spring-mounted state as viewed from the opposite side of FIG. 2. It is sectional drawing seen from the II-II arrow direction of FIG.

Embodiments of a DC-IN connector device and a DC-IN connector according to the present invention will be described with reference to the drawings. In the drawings, the same components are denoted by the same reference numerals.
FIG. 1 is a diagram showing a notebook personal computer having a DC-IN connector device according to the present invention. A DC-IN connector device 1 according to the present invention is mounted on a notebook personal computer 2 as a portable device, and has a DC-IN connector 5 for connecting a plug 4 of an AC adapter 3 and a predetermined conductive pattern (not shown). And a substrate 6 provided with ().

  2 is a perspective view of the DC-IN connector device of FIG. 1, FIG. 3 is an exploded perspective view of the DC-IN connector device of FIG. 1, and FIG. 4 is a diagram of the DC-IN connector device of FIG. FIG. 5 is a perspective view seen from the opposite side of FIG. 2, and FIG. 5 is an exploded perspective view of the DC-IN connector device of FIG. 1 seen from the opposite side of FIG. 2 to 6 do not show the substrate 6 according to dimensions for the sake of clarity.

  The substrate 6 is provided with holes 9 into which conductive upper and lower sandwiching springs 7a and 7b having an elastic structure are mounted as first and second contact portions and screws 8 are inserted. The springs 7a and 7b have elastic bending contact pieces 10a and 10b and sandwiching pieces 11a and 11b, respectively.

  The DC-IC connector 5 is an insulating housing composed of conductors 12a and 12b as third and fourth contact portions that are detachable from the springs 7a and 7b, respectively, and a resin that accommodates the conductors 12a and 12b. 13 and an insulating frame 14 made of resin or the like fitted into the housing 13.

  The conductors 12 a and 12 b correspond to a first potential (for example, +) and a second potential (for example, −), respectively, and contact the plug 4 when the plug 4 is connected to the DC-IN connector 5. The frame 14 is provided with a hole 15 into which the screw 8 is inserted.

  In the present embodiment, the housing 13 has a convex portion 16, and the substrate 6 has a slit 17 that guides the convex portion 16 in order to align the DC-IN connector 5.

  6 is a perspective view of the DC-IN connector of FIG. 2 as viewed from the opposite side of FIG. 2, and FIG. 7 is a perspective view of a contact portion of the DC-IN connector of FIG. In FIG. 6, the plug 4 connected to the DC-IN connector 5 is indicated by a broken line.

  The conductor 12a has a substantially cylindrical first component 20 having a hole into which the pin 18 of the plug 4 is inserted and an outer peripheral surface contacting the inner peripheral surface of the cylindrical portion 19 of the plug 4, and one end of the component 20 inserted therein. And a second part 23 having an insertion piece 22 inserted between the elastic bending contact piece 10a and the sandwiching piece 11a. The component 20 is fixed to the component 23 by caulking one end inserted into the hole 21.

  The conductor 12b is formed of a single component, and includes a contact 24 that contacts the outer peripheral surface of the cylindrical portion 19 of the plug 4 and an insertion piece 25 that is inserted between the elastic bending contact piece 10b and the sandwiching piece 11b.

  8 and 9 are diagrams for explaining mounting of a vertically sandwiching spring on the board of the DC-IN connector device of FIG. 8 and 9 show perspective views of the substrate 6 as viewed from the opposite side of FIG. 2, and the substrate 6 is not shown to scale for clarity.

  As shown in FIG. 8, in the manufacturing process of the notebook personal computer 2, the springs 7a and 7b are mounted on the substrate 6 by soldering using SMT. That is, the solder pastes 26a and 26b are printed on the substrate 6, the springs 7a and 7b are placed on the solder pastes 26a and 26b, respectively, and then the solder pastes 26a and 26b are heated and melted. As a result, as shown in FIG. 9, the board 6 on which the springs 7 a and 7 b are mounted is attached to the notebook personal computer 2.

  10 and 11 are views for explaining attachment of the frame to the DC-IN connector of FIG. 10 and 11 show perspective views of the substrate 6 as seen from the opposite side of FIG. In the present embodiment, as shown in FIG. 10, the frame 14 is configured as a separate part from the housing 13, and the insertion piece 22 is inserted between the elastic bending contact piece 10 a and the sandwiching piece 11 a and the insertion piece. 25 is inserted between the elastic bending contact piece 10b and the sandwiching piece 11b, and then the frame 14 is fitted into the DC-IN connector 5 and screwed into the holes 15 and 9 as shown in FIG. 14 is screwed onto the substrate 6. In FIGS. 10 and 11, the substrate 6, the screws 7a and 7b, and the screw 8 are omitted for the sake of clarity.

  12 is a front view of the DC-IN connector before and after spring mounting as viewed from the opposite side of FIG. 2, FIG. 13 is a cross-sectional view as viewed from the direction of arrows I-I in FIG. 12, and FIG. FIG. 15 is a front view of a DC-IN connector in a spring mounting state as seen from the opposite side of FIG. 2, and FIG. 15 is a cross-sectional view as seen from the direction of arrows II-II in FIG. 14. 12 to 15 do not show the substrate 6 according to dimensions for the sake of clarity.

  When the DC-IN connector 5 is attached to the springs 7a and 7b, alignment is performed so that the convex portion 16 corresponds to the slit 17, and the DC-IN connector 5 is illustrated while guiding the convex portion 16 along the slit 17. As shown in FIG. 15, the DC-IN connector 5 is attached to the springs 7a and 7b by being moved in the arrow A direction of 13. In the state where the DC-IN connector 5 is mounted on the springs 7a and 7b as described above, the screw 8 is inserted into the holes 15 and 9, and the frame 14 is screwed onto the substrate 6 with the screw 8, thereby showing the structure shown in FIG. Thus, the DC-IN connector 5 is fixed to the substrate 6.

  When removing the DC-IN connector 5 from the springs 7a and 7b, the screw 8 is removed from the substrate 6, and the DC-IN connector 5 is moved in the direction of arrow B in FIG. As a result, the DC-IN connector 5 is detached from the springs 7a and 7b as shown in FIG.

  According to the present embodiment, the DC-IN connector 5 can be attached to and detached from the substrate 6 without having a harness by having the conductors 12a and 12b that are detachable from the springs 7a and 7b, respectively. Therefore, the manufacturing cost of the portable device does not increase, it does not become an obstacle when saving the space of the portable device, and it is not necessary to replace the entire board 6 when the DC-IN connector 5 is replaced.

  Further, since the springs 7a and 7b having an elastic structure are used as contact portions with the DC-IN connector 5, the contact force always decreases even when the assembly tolerance of the DC-IN connector 5 and the thickness crossing of the substrate 6 change. do not do.

  Furthermore, since the convex part 16 and the slit 17 can be aligned, the DC-IN connector 5 can be easily attached to the substrate 6.

  The present invention is not limited to the above-described embodiment, and many changes and modifications can be made. For example, in the above embodiment, the case where the portable device equipped with the DC-IN connector device 1 is a notebook personal computer has been described. However, the DC-IN connector device according to the present invention can be applied to other portable devices such as PDAs. 1 can be equipped.

  Moreover, although the case where the elastic structure of the contact portion of the substrate 6 has the vertically sandwiched springs 7a and 7b has been described, other elastic structures may be used. Furthermore, although the case where the springs 7a and 7b are mounted on the substrate 6 by soldering using SMT has been described, the springs 7a and 7b can also be mounted on the substrate 6 by soldering using the DIP method.

DESCRIPTION OF SYMBOLS 1 DC-IN connector apparatus 2 Notebook personal computer 3 AC adapter 4 Plug 5 DC-IN connector 6 Board | substrate 7a, 7b Spring 8 Screw 9,15,21 Hole 10a, 10b Elastic bending contact piece 11a, 11b Clamping piece 12a, 12b Conductor 13 Housing 14 Frame 16 Protruding part 17 Slit 18 Pin 19 Cylindrical part 20, 23 Parts 22, 25 Insertion piece 24 Contact 26a, 26b Solder paste

Claims (6)

DC input terminal connector for connecting the plug of the AC adapter,
A predetermined conductive pattern, and a substrate on which conductive first and second contact portions connected to the conductive pattern are mounted.
The DC input terminal connector is
Conductivity corresponding to each of the first potential and the second potential, contacting the plug when the plug is connected to the DC input terminal connector, and being detachable from the first and second contact portions, respectively. The third and fourth contact portions,
The first and second contact portions have an elastic bending contact having a contact portion between a sandwich piece formed by bending one end side and the third and fourth contact portions formed by bending the other end side. It has a vertical pinching type spring has a strip, a,
The DC input terminal connector device, wherein the contact portion is branched into two pieces so as to sandwich the sandwiching piece . The DC input terminal connector device according to claim 1 , wherein the sandwiching piece and the contact portion of the elastic bending contact piece overlap each other. The DC input terminal connector device according to claim 1 or 2 , wherein the sandwiching piece and the elastic bending contact piece are formed above a surface of the substrate on which the solder paste is printed. The DC input terminal connector has a convex portion, the substrate is any one of the claims 1-3 having a slit for guiding the protrusion in order to perform the alignment of the DC input terminal connectors The direct-current input terminal connector device described in 1. A contact that is attachable to and detachable from a conductive contact portion of a DC input terminal connector for connecting a plug of an AC adapter,
An elastic bending contact piece having a sandwiching piece formed by bending one end side and a contact portion with the conductive contact portion of the DC input terminal connector formed by bending the other end side;
The contact portion is branched into two pieces so as to sandwich the sandwiching piece,
The contact, wherein the sandwiching piece and the elastic bending contact piece are formed above a surface of the substrate on which the solder paste is printed. The contact according to claim 5 , wherein the sandwiching piece and the contact portion of the elastic bending contact piece overlap each other.

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